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You DD, Choi DW, Choi SH, Heo JS, Kim WS, Ho CY, Lee HG.You DD, et al. Among authors: lee hg.J Korean Surg Soc. 2011 Apr;80(4):278-82. doi: 10.4174/jkss.2011.80.4.278. Epub 2011 Apr 12.J Korean Surg Soc. 2011.PMID: 22066048Free PMC article.